[Bug c++/53899] [C++0x] undefined reference to std::atomic

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53899

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-07-09 
14:30:28 UTC ---
The lockfree code is invalid anyway because boost::lockfree::detail::tagged_ptr
doesn't have a trivial default constructor, so it can't be used with
std::atomic